<!DOCTYPE html>
<html>
<head>
	<style>
	p, div { margin:5px; padding:5px; }
	.border { border: 2px solid red; }
	.background { background:yellow; }
	</style>
	<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
	<div>
		<p>First Paragraph</p>
		<p>Second Paragraph</p>
	</div>
<script>
	$("div").find("p").andSelf().addClass("border");
	$("div").find("p").addClass("background");
</script>
</body>
</html>